Ammonium Sulfate (CAS 7783-20-2): import duty, licences and trade rules in India
Ammonium sulfate is an inorganic sulfate salt obtained by reaction of sulfuric acid with two equivalents of ammonia. For trade in India: OK to trade, but watch: food residue limits. Import duty is about 27.73% (tariff item 2833 (estimate)).
Checked 2026-10-31 against official Indian and international lists. Sources are given under each answer.
Key facts
| CAS number | 7783-20-2 |
|---|---|
| Formula | H8N2O4S |
| Also called | Ammonium sulphate, Diammonium sulfate, Mascagnite, Sulfuric acid diammonium salt |
| Tariff item (HS) | 2833 (estimate) |
| Total import duty | about 27.73% |
| Anti-dumping duty (most producers) | None found |
| SCOMET (export control) | Not listed |
| NDPS / precursor | Not listed |
Every answer, with its source
Rules in IndiaOK
- Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check.
- Normal factory, storage and GST rules still apply.
Exporting from IndiaOK
- Not on the SCOMET export-control list or the precursor export list.
- Not approved as a pesticide in the EU: food sent there must carry almost none of it.
- The buyer’s country may still have its own import rules.
Global treaties & export marketsOK
- Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer).
- Registered under EU REACH, so EU importers can buy it under an existing registration.
- Active on the US TSCA Inventory, so it can be imported into the US without a new-chemical notice.
- Listed on the Australian Inventory of Industrial Chemicals (AICIS), so it can be introduced into Australia as an existing industrial chemical.
Import dutyOK
- About ₹27,730 duty on every ₹1,00,000 of import value (CIF).
- No tariff line names this chemical, so we worked out its likely heading from its name: 2833, sulphates; alums; peroxosulphates (sulphate).
- All lines under heading 2833 pay basic customs duty 7.5%; with social welfare surcharge and IGST 18% that makes about 27.73%.
- Confirm the exact 8-digit code with your customs broker before you import.
SafetyCHECK
- Irritates skin, eyes or breathing
- Harmful if swallowed
- Causes skin irritation
- Causes serious eye irritation
- May cause respiratory irritation
- Always read the supplier’s safety data sheet (SDS) before handling.
Food residue limitsCHECK
- India (FSSAI) has no specific limit, so the default 0.01 mg/kg applies to food.
- EU: not approved; most EU food limits are at the detection limit.
Price and suppliersNO DATA
- Post a requirement and we will find suppliers for you.
Questions about Ammonium Sulfate
What is the import duty on Ammonium Sulfate in India?
The total import duty on Ammonium Sulfate is about 27.73% of the import value under tariff item 2833 (estimate), including basic customs duty, the social welfare surcharge and IGST. Check the latest notifications before you import.
Is there anti-dumping duty on Ammonium Sulfate?
No anti-dumping duty on Ammonium Sulfate was found in the Customs (ADD) notifications in force.
What is the HS code (tariff item) of Ammonium Sulfate in India?
Ammonium Sulfate falls under tariff item 2833 (estimate) of the Customs Tariff of India.
Is Ammonium Sulfate restricted or licensed in India?
No special Indian ban or licence found. Not on the Indian banned-pesticide, drug-precursor, narcotic, psychotropic or new-drug lists we check. Normal factory, storage and GST rules still apply.
Does exporting Ammonium Sulfate from India need a licence?
No export licence needed. Not on the SCOMET export-control list or the precursor export list.
Is Ammonium Sulfate hazardous?
Hazardous: take normal precautions. Irritates skin, eyes or breathing. Harmful if swallowed. Causes skin irritation.
Is Ammonium Sulfate regulated under global treaties or in the EU and US?
No treaty or export-market restriction found. Not listed by the Stockholm Convention (persistent pollutants), the Rotterdam Convention (prior consent before export) or the Montreal Protocol (ozone layer). Registered under EU REACH, so EU importers can buy it under an existing registration.
Related chemicals
Guidance from official lists, not legal advice. Rules change; confirm with DGFT, customs or the regulator before you trade.